James a



(No Model.)

J. A. AIKEN. COMBINED GHUGK AND BIT. No. 427,821. Patented May 13, 1890.

22 1 .2? a Fzy I 1C Q f 2 F J I V2 I i f r INVENTOR WITNESSES: $64 &.0Mm\ KM OM/M BY ATTORNEY UNITED STATES PATENT CFFIcE.

JAMES A. AIKEN, OF JACKSON, MICHIGAN, ASSIGNOR TO HENRY E. EDWVARDS,

OF SAME PLACE.

COMBINED CHUCK AND BIT.

SPECIFICATION forming part of Letters Patent No. 427,821, dated May 13, 1890.

Application filed November 29, 1389- Serial No. 332,057. (No model.)

To all whom it may concern: ble E inward and outward, the extremity of Be it known that 1, JAMES A. AIKEN, a citi the handle bearing against said thimble when zen of the United States, residing at Jackson, the shaping and boring are completed. The p in the county of Jackson and State of Michibit and thimble are firmly secured in the degan, have made certain new and useful Imsired position by the set-screw C, which passes provements in Combined Chucks and Bits, of through the division or slot in the thimble and which the following is a specification. bears against the shank of the bit.

Mydnvention relates especially to devices 11 is the main body of the knife, held in employed for forming the ends of handles of place at one side of the longitudinal opening to various kinds and descriptions to receive an I in the shell A by means of set screws J. encircling ferrule, and for boringa hole in the This knife is provided with a spur K, which extremity of said handle to receive the shank cuts the shoulder upon the handle whereon of the implement wherewith said handle is the ferrule rests when driven home, and is to be used, the two operations being peralso provided with a curved or turned lip L I 5 formed at one and the same time. at the outer end. The object of this turned 6 5 To attain the desired end my invention conor curved lip is to smooth down that portion sists, essentially, in a hollow chuck-shell proof the handle joining the ferrule, and by givvided with a cutting-knife arranged to give ing the knife such a turn I am enabled to the wood the desired shape, and a central adprevent the tearing of the wood which often 20 justable boring bit and stop; and my inventakes place where chucks with straight knives tion also involves certain other novel and useare employed. ful combinations or arrangements of parts P is an opening in the side of the shell for and peculiarities of construction and operathe escape of the bit-shavings. v tion, all of which will be hereinafter first Heretofore in shaping and boring handles 2 5 fully described, and then pointed out in the two separate and distinct devices have been claims. employed-one to shape up the extremity of In the drawings, Figure 1 is a plan view of the handle and the other to bore theholeremy device. Fig. 2 is a front elevation, and quiring the time and attention of two men Fig. 3 is a rear elevation. Fig. 1- is a reversed and the use of two distinct machines. By the 30 plan view from Fig. 1. Fig. 5 is a longitudiuseof my device one man performs both opnal central sectional view of the device. erations at the same time, dispensing with the Like letters of reference, wherever they 00- services of the second man, and consequently cur,indicatecorrespondingparts in all the figreducing the expense of producing the comures, pleted handle, as well as the amount of ma- 3 5 A is the shell of the chuck, made of metal chinery required. It will thus be seen that and provided at one extremity with a screwmyimprovement 1s admirably adapted to the thread B, securing the device to a mandrel. uses and purposes for which it is intended.

C is a set-screw passing through the shank Having now fully described my invention,

of theshell. what I claim as new therein, and desire to se- 40' D is the hollow portion of the chuck, havcure by Letters Patent. is- 0 ing the shape which it is desired to give to 1. A combined chuck and bit in which are the extremity of a handle. comprised a hollow chuck shell, a shaping- E is a slotted or divided thimble fitting into knife, an adjustable bit, and an adjustable the perforation F, into which the set-screw bearing-thimble, through which thebit passes, 45 projects, and designed to receive the shank substantially as shown and described. 5 of a bit G. By this arrangement the depth 2. The combination, with the hollow chuckof the hole to be bored may be regulated by shell, of the adjustable shaping-knife having setting the bit in the proper-position, and the two cutting portions upon different planes, a length of the portion of the handle shaped cutting-spurloeated between the two cutting 5o for the ferrule regulated by moving the thimport-ions, and a curved or bent cutting-lip at too its outer extremity, substantially as shown and described.

A combined chuck and bit in which are comprised a hollow shell having two longitudinal slots therein, an adjustable knife, shaped as set forth and projecting into one of said longitudinal slots, a set-screw in the shank of the chuck, a slotted or divided ihimhle located within a perforation in said shank, and a bit, the shank whereof fits into said IO thimble, the Whole arranged substantially as shown and described.

JAMES A. AIKEN. Witnesses:

ELMER KIRKBY, E. R. HUNN. 

